virginia is holding its annual tax free weekend for energy efficient merchandise. it means you won't have to pay the state sales tax on things like heat pumps and insulation. the items must be under $2,500 and have the energy star or water sense label. the event runs today through monday. you'll find a complete list of qualified items on our website, nbcwashington.com. just search tax holiday. >>> and when we come back, three teachers at the same school. they are arrested for having sex with students. coming up, we'll tell you why the administrators are partially or allegedly partially to blame for what happened. >>> one of our areas most celebrated chefs has a new restaurant venture. tom gives us his take >>> it's a fish and chip joint with rock 'n' roll bar. >> a look inside a dublin chipper in arlington. >> it is an a off shoot of the old town tavern from irish native, one of the region's preeminent chefs. both dining rooms are small, both have counters for ordering and both are linked to a fancy bar. as expected, fish and chips play a prominent role on the menu